Avalonia UI

@avaloniaui.net

Develop desktop, mobile, embedded, and WebAssembly apps with C# & XAML from a single codebase. https://avaloniaui.net

We're having one of our regular hack weeks. It's a chance for the team to pause the roadmap and spend the week working on their wildest, craziest ideas. Day one is a wrap and we've already got some rather interesting things!

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Avalonia XPF turns 4 today. 4 years ago, we committed the very first lines of code that would make WPF cross-platform. Since then, countless organisations have used XPF to modernise existing applications, reach new platforms, and extend the life of their WPF apps. avaloniaui.net/xpf

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Lots of WPF modernisation projects go wrong before the first line of code is written. The mistake is treating it as a framework decision. It's really a business decision about risk, roadmap, hiring, platforms and the next decade of your product. avaloniaui.net/blog/wpf-mo...

WPF Modernization in 2026 - Avalonia UI Blog

A practical guide to WPF modernization in 2026: stay on WPF, port with Avalonia XPF, rewrite with Avalonia, or compare MAUI, Uno, WinUI, Blazor and Electron.

avaloniaui.net

Massive milestone achieved! Avalonia has just hit 30,000 stars on GitHub! ⭐ A massive shoutout to our incredible community! Your passion powers the ultimate cross-platform UI framework for .NET.

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Avalonia 12 docs are getting a major upgrade. We're adding better UX for those using AI agents, along with a huge improvement to code snippets. Snippets are becoming fully interactive. 🔥 Edit and experiment with functionality in the docs!

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